Pith Number

pith:4EVKEKSC

pith:2019:4EVKEKSC2EMZYGNOEDSZSYMZQV

not attested not anchored not stored refs pending

On bicomplex Fourier--Wigner transforms

Aiad El Gourari, Allal Ghanmi, Khalil Zine

arxiv:1904.09440 v1 · 2019-04-20 · math.CV · math.FA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4EVKEKSC2EMZYGNOEDSZSYMZQV}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-05-17T23:48:04.181478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e12aa22a42d1199c19ae20e599619985606282dc5fd4689ae780b09774b43f2c

Aliases

arxiv: 1904.09440 · arxiv_version: 1904.09440v1 · doi: 10.48550/arxiv.1904.09440 · pith_short_12: 4EVKEKSC2EMZ · pith_short_16: 4EVKEKSC2EMZYGNO · pith_short_8: 4EVKEKSC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/4EVKEKSC2EMZYGNOEDSZSYMZQV \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: e12aa22a42d1199c19ae20e599619985606282dc5fd4689ae780b09774b43f2c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24d46b2c3ef926aca29f01829a782132cc19b5538a8594d96a8a8bb6f2458ac0",
    "cross_cats_sorted": [
      "math.FA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2019-04-20T12:41:06Z",
    "title_canon_sha256": "44acf206e8021f79b5c66040373bc769e9c2e4e61ec94f05c1d3aac06ea91115"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09440",
    "kind": "arxiv",
    "version": 1
  }
}